770630073 has 4 divisors (see below), whose sum is σ = 1027506768. Its totient is φ = 513753380.

The previous prime is 770630059. The next prime is 770630083. The reversal of 770630073 is 370036077.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 770630073 - 2²⁴ = 753852857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (770630033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128438343 + ... + 128438348.

It is an arithmetic number, because the mean of its divisors is an integer number (256876692).

Almost surely, 2^770630073 is an apocalyptic number.

It is an amenable number.

770630073 is a deficient number, since it is larger than the sum of its proper divisors (256876695).

770630073 is a wasteful number, since it uses less digits than its factorization.

770630073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256876694.

The product of its (nonzero) digits is 18522, while the sum is 33.

The square root of 770630073 is about 27760.2246568719. The cubic root of 770630073 is about 916.8155786877.

The spelling of 770630073 in words is "seven hundred seventy million, six hundred thirty thousand, seventy-three".